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Slowtwitch Forums: Triathlon Forum:
New Pearson Z1-ELEVEN beam bike!

 

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Goldenboy

Jun 8, 12 1:43

Post #1 of 81 (14069 views)
New Pearson Z1-ELEVEN beam bike! Quote | Reply

Hi this is my first ever post!

Thought I would share some photos of the new Pearson Z1-ELEVEN beam bike. I am a good friend of Graeme Pearson ( Owner and builder ) and hope to be riding one of these beautiful bikes soon.

A few details about the bike:
Integrated front and rear brakes
Integrated fork and stem
Compatible with Di2 or normal
The beam is on a pivot that can be locked out or flexable with different elastomers.

Enjoy!







Sweeney

Jun 8, 12 2:33

Post #2 of 81 (14024 views)
Re: New Pearson Z1-ELEVEN beam bike! [Goldenboy] [In reply to] Quote | Reply

Holy freakin Crap! That thing is awesome. It looks like Batman should be riding it!

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jaretj

Jun 8, 12 2:36

Post #3 of 81 (14024 views)
Re: New Pearson Z1-ELEVEN beam bike! [Goldenboy] [In reply to] Quote | Reply

Cool looking bike, hope things work out for them cuz I'd like to to the beam bike come back.

jaretj


iron_mike

Jun 8, 12 3:08

Post #4 of 81 (13989 views)
Re: New Pearson Z1-ELEVEN beam bike! [Goldenboy] [In reply to] Quote | Reply

outstanding

-mike

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hansonator69

Jun 8, 12 3:34

Post #5 of 81 (13940 views)
Re: New Pearson Z1-ELEVEN beam bike! [Goldenboy] [In reply to] Quote | Reply

Really nice. Loving it.


Dufflite

Jun 8, 12 3:58

Post #6 of 81 (13906 views)
Re: New Pearson Z1-ELEVEN beam bike! [Goldenboy] [In reply to] Quote | Reply

That is pretty damn cool.

Has anyone ever seen any data for beam bikes regarding the best rear wheel for aero? Or how the lack of a seat tube compares to a seat tube used as a fairing?


VanDrunken

Jun 8, 12 4:06

Post #7 of 81 (13887 views)
Re: New Pearson Z1-ELEVEN beam bike! [Goldenboy] [In reply to] Quote | Reply

Damn cool. I don't like to lust after bikes that are out of my price range but this one had me at hello.



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zeusrun

Jun 8, 12 5:33

Post #8 of 81 (13806 views)
Re: New Pearson Z1-ELEVEN beam bike! [VanDrunken] [In reply to] Quote | Reply

I have had my Softride PowerWing for 14 years. It is a great bike! Eats up the bumps and my legs are fresher for the run. Very aero.
However, if you are in my age group it is a horrible bike. Do not buy one!


Turd Ferguson

Jun 8, 12 5:36

Post #9 of 81 (13793 views)
Re: New Pearson Z1-ELEVEN beam bike! [Goldenboy] [In reply to] Quote | Reply

Not crazy about beam bikes but that thing is BA

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DarkSpeedWorks

Jun 8, 12 5:42

Post #10 of 81 (13780 views)
Re: New Pearson Z1-ELEVEN beam bike! [Goldenboy] [In reply to] Quote | Reply

Wow, that's a pretty hot bike. Not too crazy about the carbon weave finish (a carbon UD finish would look way better), but I think the shapes look great. The question is, how does it really perform, drag-wise?

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beston

Jun 8, 12 5:59

Post #11 of 81 (13730 views)
Re: New Pearson Z1-ELEVEN beam bike! [Dufflite] [In reply to] Quote | Reply

I haven't seen any data personally (I'm just speculating), but I would imagine that a toroidal bulge disc (like the Jet, stinger, sub 9) would be best in this circumstance as the leading edge aerodynamics of the wheel / tire would be more important than in traditional frames.

In situations that a bike has a well designed seat tube (like the P4), the trailing edge of the disc has a greater impact on drag. In this case, a flat disc performs better.


dsmallwood

Jun 8, 12 6:17

Post #12 of 81 (13649 views)
Re: New Pearson Z1-ELEVEN beam bike! [beston] [In reply to] Quote | Reply

x2 says my eyeball wind tunnel

i remember reading that today's bikes seat tubes shield the rear wheel so well that "flat" discs are more aero.
this thing goes the other way, you'd be looking for a disc thats the most aero by itself.


Cake

Jun 8, 12 6:24

Post #13 of 81 (13614 views)
Re: New Pearson Z1-ELEVEN beam bike! [dsmallwood] [In reply to] Quote | Reply

I would rather ride this more than riding my gf.


Bmanners

Jun 8, 12 6:31

Post #14 of 81 (13595 views)
Re: New Pearson Z1-ELEVEN beam bike! [jaretj] [In reply to] Quote | Reply

jaretj wrote:
Cool looking bike, hope things work out for them cuz I'd like TO TO the beam bike come back.

jaretj
I think you would just like a TU-TU :0) (insert pink into the TU-TU)
BAHAHAHAHA......

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chrisinma

Jun 8, 12 6:32

Post #15 of 81 (13587 views)
Re: New Pearson Z1-ELEVEN beam bike! [Cake] [In reply to] Quote | Reply

Post a picture of your gf and let the ST masses vote on it!


desert dude

Jun 8, 12 7:33

Post #16 of 81 (13520 views)
Re: New Pearson Z1-ELEVEN beam bike! [Goldenboy] [In reply to] Quote | Reply

That is one bad ass bike. I'd love to get my hands on one. Of course one of my biggest sporting regrets is selling my softride.


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brider

Jun 8, 12 7:44

Post #17 of 81 (13482 views)
Re: New Pearson Z1-ELEVEN beam bike! [Goldenboy] [In reply to] Quote | Reply

Nice. Seems the sweep of the down tube doesn't match the angles of the beam... But otherwise that bike looks awesome! I hope it takes off (business-wise).

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Broken Leg Guy

Jun 8, 12 8:40

Post #18 of 81 (13399 views)
Re: New Pearson Z1-ELEVEN beam bike! [desert dude] [In reply to] Quote | Reply

Just heard recently that TJ Tollakson is releasing some bikes next year loosely based on the Zipp 2001. Dimond Bikes.

To the OP- that bike is sweet! I have a TitanFlex- love beam bikes!


Formerly DrD


Record10Carbon

Jun 8, 12 8:42

Post #19 of 81 (13390 views)
Re: New Pearson Z1-ELEVEN beam bike! [desert dude] [In reply to] Quote | Reply

desert dude wrote:
That is one bad ass bike. I'd love to get my hands on one. Of course one of my biggest sporting regrets is selling my softride.

At least you sold yours - I gave two away :-(

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ZackCapets

Jun 8, 12 8:50

Post #20 of 81 (13355 views)
Re: New Pearson Z1-ELEVEN beam bike! [Goldenboy] [In reply to] Quote | Reply

I'm a fan of beam bikes.

I don't love the look of the downtube on this bike...it doesn't appear to have been designed for function over form, so there's not really a reason for it to look as "odd" as it does. The contours should make some sort of sense, but they don't (i.e appear tangent to the front tire or follow the contour of the front tire or be straight). As it is, it's just sort of an arbitrary shape.

That said, I love the way the fork/headtube looks.

Unfortunately, any aerodynamic gains you get from this frame design will likely be offset by the choice of a round basebar. Come on manufacturers! Why integrate the handlebars if you're just going to add beautiful extensions to a cow of a basebar??!?!?

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chicanery

Jun 8, 12 10:08

Post #21 of 81 (13249 views)
Re: New Pearson Z1-ELEVEN beam bike! [ZackC.] [In reply to] Quote | Reply

The shaping behind the front wheel is pretty specific. You want enough space for air to form a boundary layer around the spinning tire (at the top maybe 40 degrees) of the wheel arc and not cause too much pressure drag. Then you want a bigger gap so that the air clinging to the tire during rotation has a little more clean air to help it separate off the back of the tire instead of continuing with the wheel rotation into the back of the fork.

Chris


guadzilla

Jun 8, 12 10:15

Post #22 of 81 (13231 views)
Re: New Pearson Z1-ELEVEN beam bike! [Goldenboy] [In reply to] Quote | Reply

So how much is this puppy gonna be? Or should I just shove my shifter into my eyeballs for even asking?


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flyrunride

Jun 8, 12 10:27

Post #23 of 81 (13197 views)
Re: New Pearson Z1-ELEVEN beam bike! [Cake] [In reply to] Quote | Reply

Cake wrote:
I would rather ride this more than riding my gf.

Hahahaha.... Nice... I wouldn't mind getting something like this as my 1st tri bike.... TJ's planning to have a limited run too right, I hope it's within reach budget wise...


AndrewSaar

Jun 8, 12 10:28

Post #24 of 81 (13191 views)
Re: New Pearson Z1-ELEVEN beam bike! [Goldenboy] [In reply to] Quote | Reply

I agree completely with DarkSpeedWorks. That is one VERY sexy bike, but the weave has to go, or at least only be an option. Offer that in matte with no weave and you'd have the hottest looking bike on the planet.


-Andrew Saar
It is better to do the right thing and be paid poorly,
than to do the wrong thing and be rewarded richly.


btmoney

Jun 8, 12 10:30

Post #25 of 81 (13180 views)
Re: New Pearson Z1-ELEVEN beam bike! [Broken Leg Guy] [In reply to] Quote | Reply

Yeah, I think TJ said around 100 will be released for 2013

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